Feed tank



Aug. 9, i927; 1,638,607

R.- WARRINER FEED TANK a, Z I n l" @L SRM. AW- 'ATTORNEYS -R. WARRINER y FEED TANK fFnea June 1, 1925 2 sheets-sheet l,

.il f? INVENTOR ATTORNEYS ramadan@ 9,1927@ .Y

ROBERT WARRINEm on YBrmmrnnn, Mess-r sHrrBUILDINe ccn-Ponn'rrong FEED TANK, l e jf Application nie'aJm'ie 1, 19275; serial 1vo'{a3,979.

. It is the Apractice krin many steamy powerl gas, .the gases Vconsistingprincipally. of air,.

into acompartment of a yfeedtank where lit v 10 :lis mixed with the Waterof'condensaftiondis;

charged bythe pumps. The water ofcon-A densation condenses the condensible.portion of the -1nedia discharged froni'tlie ejector' Yand Aalso absorbs 'appart of theai-r, the re- ..emainder of the air .being discharged from the compartment through a Y vent. `TheV ivater, with the -dissolved air, ultimately flows to the feed pumps from which it is .dis-

charged-through the feed system to the i; boilers. p y

The presence of dissolved air inthe feed 'Water is lresponsible for corrosion of boilers, piping, and other apparatus, for example, turbinegblading. Accordingly, therefore, the objectl of my invention is to provide, in

f connection ivith a main lpower vplant con' denseriandits steam actuated air ejector,

feedgtank appara-tus Whichserves ,to recover Water and heatl frommed-ia discharged from thea-ir ejector bymeans of V condensate coming from the condenserwithout the latter absorbing any air contained. in the ,discharged media, which serves .to filter [the condensate,v andavhich provides for' a main feed `supply7 constituted lby the' condensate used in a cooling relation lWith respect to the media discharged from theair ejector and by' the Water of 'condensation recovered `from vsuch discharged media.V

40 Apparatus made in accordance with invention `is illustrated Vin the accompany-- ing drawings, forming a part of vthis application, in which:

Fig. 1 is a diagrammatic vieiv showing my' improvement applied to agpoiver plant installation FigQ is ahorizontal sectional view ofthe feed tank, taken along the lines 1I-JI of Fig. 7

Figs, 5,6 and 7 kare sectional views taken Fig 8 is alongitudinal sectional vieivofg the feed tank shown in Figs. 1 and 2 and.

taken along the line IIL-III of Fig. 2; and,

along VllfVi' of Fig. y'

, vReferring novv to the dra ings for'abetter understandingl of my invention,` Ishovv a' main poivergpla'nt condenser 10 having a' condensateidischarge passageway 11'` communicating With a Yhot Well'lQ.' The pas- .coiigleiiserfl is, provided with any "suitable..v

cf air"from vthe air space 15 ofthe condenser. The 'passageivfays'v 16 and 17 conairv ejector 14, respectively,"to compartments of the feed tank 18., Where the wateroff conof steamactuated ejector 141 for the re# densation serves to absorb heat from fthe y',

discharged media' of -the .airl ejector'to condense the condensible portion thereof Without any. opportunity being afforded forair from ithe discharged media being .absorbed by the Water of condensation.` Referring now to the/apparatus for absorbing Vheat from the vejectorl discharge media by condensate from the -ma'in condenser Without abserptionjof airV While per-v mitting of the recovery of ty-lie,condensible--- fPOl'lOli Of vthe discharged `media, Ishow feed tank apparatus, at 18,7iiic`luding a,ma,i n' f.

tank 19 having a horiZontal partition or Wall 2O in its upperportion.v "The partitionf 20. cooperates. vvithfvertical 'partitions' 21,1."l

22, 23,3 24; andy 25 and with side and-top tank ,yalls to define lseries `chambers 26,- 27,

as, 29 and 3o.

condensate from ,the 'main condenser 10 is admitted to the vfirst chamber 26'and then,

i flows through condenser tubes' 31 disposed in the' chamber27 alndcarried by. the tube plates32 and 33 fitting oaferthe openings 34 and 35 in the partitions'-21 and 22,4 respec- *Y tively. The partition 23 between the, chami bersQS and 29 has its `,upper portion 'c utf ,f away, as indicated at ,36,to. permit of ther passage of WaterV fromr the chamber281750.4 l. y

the chamber 29.. i later then passes through the filtering devicesparranged in ythe cham- Y bers. 29- andBO andl then ,over the V'overovv ivall'. f i l i' and 30' preferably comprise filtering maj yportion ofthe chambers 27 -tothe atmos- Lessen? riie'inain condensatefe'ed supply, Air and condciisible vapors p'jassrfromthe upper 'phere tliroiligh' the vent-a8. Incase the rate of supplyof condensate to the'cham'ber 26 should exceed theV caj'iacituv of the tubes 3l, the. excess of condensate is liv-passed by the conduits 50 and; 5l to the chamber. c If tliefpoiver plant load should-be so low that the rate of flow" of condensate through the tubes 3l becomes insufficient to condense the V'condensible portion of the media entering the chamber 27 from thevair ejector M and to absorb'heatto the best advantage, then Vit Will befappaij'ent that thecondensate leavin@ the tubes 3l will have its tem oerature inf b creased; and when the'temperature of Water in the chamber 28 reaches a predetermined amount, for example, 1500 F.,'the thermostat 54C comes into play. to open the valve 53, whereuponivater passes *from the feed'tank apparatus back tothe main condenser 10 in order to augment' the supply of condensate,

such Water being cooled by the tubes of the' Vmain condenser,4 so that an adequate supply of condensate at a suitable temperature is available to assure complete condensationof the c-ondensible portion of the meda diseharged from the air ejector'and the absorption of heat from suchmedia to the best ,ad-

vantage. After the vcondensate passes lthrough the tubes 3l` and the chamber 28, itl [enters `the' chambers 29 and 30, Where -it Vpassesthroiwhthe iilteringinaterial, for

example, loor'a, in order to have materials filteredout.

While I show feed tank apparatus einundesirable ploying filtering devices, it Will be apparent that, in so far as recovery of heat and Water from the .discharged media from the eject-or Withoutv admii-itui'e of air of such media With the cooling condensate is concerned, the filtering devices might be omitted. Furthermore,vhile I showv va single ejector dis- Vcharging4 to the feed tank apparatus, it will V,be obvious that any suitable number may be employed. l

l/Vhiie I have shown myvinvention in but one form, it will be obviousto those skilled in the art that it is notso limited, but is susceptible of va'rious other changes and fn'ioditications Without departing from the` spirit thereof, and l desire,` therefore, that through4 the 'condensing chamber and eonvnectingtheinl'et ,chamber With said addi-7 tional chamber,Qineans foryadmittinga heati Hing mediumto thel condensing chamber andv for 'securingfthe distribution thereof about ihe'tube s, Aand a feedV reservoir 'forfreceiving ber.

i -2- Ill a feed tank for a steainPoWer Planter" i l in combination,` an inlet chamber-for condensing Water,A a condensingchamber adjacent thereto, an v'additional chamber adjacent to the condensing "chamberftubes `passing through the condensing lchamber andconnecting the inlet chamber ivitlr said addi- `i3 tional chamber, mea-iis for admitting steam to the condensing chamber and for securiiig-v condensing ivater from Ithe additional chainy' the zdistributionthereof labout "theV tubes,A `a i feed V reservoir rfor receiving condensing water freniw the additional chamber, and i, sans for conducting condensate from the ondensing jchamber tothe feed reservoir.

iii combination, an inlet chamber `for conde singivater, va condensing chamber adja-' c-nt thereto, an additional chamber adjacent to the condensing chamber,tubesjpassing through the' condensing chamber .and-f connecting the inlet` chamber ivithvs'aicladditional chambeimeans f o .,admittingpsteam to the condensing chamber and'securing the distribution Ythereof about' the tubes, one or incre iiite'r compartments for receiving conclensingl Water' from 'the-additional chamber, f :and a feed reservoir for receiving"condensing ivater from the'jfilter compartment.orI

compartments. 4. In a feed tank for a steam povver-v'plant,

o. in 'affeed tank fora steam lpovver plant, l

in combination, 21H.inletfchainberffor"con-1 densi'ng Water, a1 condensing chamber adi of;

jacent"thereto,an vadditional chamberadjacent to the condensingchainber, tubes pass-jv Y ingithroughjthe condensing chamber andconnecting the inletchamberivith said additional chamber, means foriadmitting'.steam tothe condensing chamber and'for securing cham'benjand a feed 'reservoir lfor receivingv suitable. distribution thereof aboutthe tubes, i i

means fo-r conducting an` eXcessof Waterv from the inlet chamber to said additional 2 isi condensing Water passing from'thefaddi-`r tional chamber. l

5. a feed'tiankfor a steam power plant, in combination, an inlet chamber'for condensing "water, a 'condensing chamber fadjacent thereto, l*an additionalchamber 'ad-,f-

jacent tothe vcondensing chamber, tubes passing through the'condensing chamber and connecting 4theinlet chamberivitli said additional chamber, meansA for admitting steam Vto thev condensing chamber and for securing suitable distribution thereof about the-tubes,

ies i means responsive @Q the temperaturel of Warten dis"charged from lsaid tubes forinain- Yif.

waterrto the'inlet chamber, anda feed reser` voir for@ receiving condensing 'Water passingitroin said additional chamber. e y

6. In aeed tank for a'fsteampoiver plant, lin combinatioman inletgc'hamber forV contlensiiig'waiter, a condensing.chamber adjacent thereto,f anv additionalV chamber adf., jacent to the condensing chamber,'tubes pass- 7 ing thro-iighthe lcondensing chamber and con- JVnecting Athe inlet chamber With said additifonalchainber, `means for admitting steam rto thecondensing chamber and for securing suitable distributionthereot about the tubes, means responsive to tliegteinperature of water discharged from'said tubes for maintaining. al suthcient supply of condensingwater to the Vinlet.chamber, one or more. filter coiiipart- '-ments'ifor receiving Water-passing'from said additional chamber, and a iced reservoir'lor receiving Water discharged -from the liner compartment o-r compartments. 1 l' o Y 7. In a feed tankv tor a steam `power plant, in combination, an inlet Y chamber for condensing Water, a; condensing chamber ad-l jacentthereto, an additional chamliier 'adjacentto the condensing chamber, tubes passing through the condensing chamber and .connecting t-he inlet chamber withY said adlditional chamber, means for admitting steam ai to thecondensingchamber and for securing Vits distribution about the tubes, inea-ns for conducting excess of` Water from the inlet chamberto said additionalchamber, one or more lter compartments or- Water passing from the additional chamber, and a feed reservoir for receiving Water discharged fromy the filter compartment or lcompartments., .i Y Y f 8. vIn a iieedtank for a steam power plant',

Vin combination, an inlet chamber for conj ldensing water, a condensing chamber advjacent thereto,` an" additional chamber adjacent-to the condensing` chamber,tubes pass- {ing through the condensing chamber and connecting the inlet chamber with said additiona'l chamber, means for admitting steam tothe condensing chamber and for securing yitsdistribution about the tubes, means for Vconducting excessV of Water Vfrom the inlet .chamber to said additional chamber, lmeans rcsponsive to the temperatureof Water discharged from said tubes for maintaining a vsufficient Vsupply ot relatively `Coldwater to the inletohambenoand a` feed reservoir tor Y receiving Water passing from sa'id additional I chamber. i

9. ln` afeed'tank'tor a steam power plant,

'A in combination, an inlet chamber for conf densing Water, a'` condensinglchamber adjacent thereto, anA additional chamber` adjacent t0 the condensing chamber, tubes pass- '1 ingy through the condensing chamber vand Y f connecting the inlet chamber ivith said additionalch'amber, means toradmitting steam to the condensing chamber and for distributing it about the tubes,` meansr for conduct ing excess of Waterl from the inlet chamber' tosaid additional chamber, means responsive.

to the temperature ot'Water discharged from said tubes for maintaining a sutlicientsupply of relatively cold Water to thetubeshone or more filter compartments for receiving Water'pa'ssing Jfrom the additional chamber,l

and a reed reservoir for receiving Water passing- -from the iilter compartment or ccmpartments.

Til

l0; The combination, withV a steam-actiev ated air ejector, oi a` `feed reservoir having a mainltfeed chamber, a series of chambers Y disposed in the upper part oit thev reservoir, condenser tubes it'or atfortiing communica tion between the tirst and third chambers of said series, means for admitting VWaterv to ,the lirst chamber, overflow meansftor discharging Water from the last chamberot the vseries into the main chamber ot the reservoir, means for admittingmedia discharged trom the ejector lo the second chamber and -toi' securing its distribution about the tubes passing through the latter chamber, and Voutlet means lointhe second chamber tothe atmosphere and to the main chamberfoif said lording con'imunication between the rst and third chambers, means tor admitting Water to the tirst-V chamber, lilteriijig material in theV last chamber, overflow outlet means vttor the last chamber, means forV admitting media discharged from the ejector to the secondV chamber, and outlet means from the second chamber for the condensible and non-condensible portions Vol2 said media.

l2. rlhe combination, with a steam-actu-- ated air ejector, ot apparatus having a series ot chambers, condenserv tubes Jtor affording communication between the tirst and thirc chambers oi: said series, means for admitting Waterto the ipirst'cliamber, overlioiv outlet means Yfor. the thirdchamber, Aoverlioiv by?y pass means betweenthe first andthird chainbers,means for admittingmedia` discharged from the ejector into the second chamber, and separate means foru securing the dis'- charge of t ie noii`condeiisible and condensed iioVV portions of said discharged media trom the i second chamber. l y

13. ln a power plant, the combination with a condenser and its air ejector, of `apparatus including a series otcliainbers, a tube bank for altording communication between the lfirst and third chambers, means tor conducting condensate rom the condenser to the iirst chamber, outlet meansvfor the last chamber of the series, means Jfor admitting `media discharged Atrom thev ejector to the second chamber, vent means for the noncondensible portion ot said media communiwww f cating with the second chamber, outlet means for the" eondensiblel portion of said' mediaV communicating withjthesecond chamber, a

' conduit connecting the mainl condenser Vwith said' apparatus at the downstream side otthe tubebanl, a valve in said conduit?, and a thermostat in va'chamber Yfollowing the tube Y banlr'andconnected to said valve.

14. In a power plant, the combination with a main'condenserand itsaii'A ejectoigot apparatus including a series loiu chambers, a

tube bank for 'aiiording,communication between 'the lirstgand tliird cliarribers, -n'ieans V tor conducting condensate'from 'the con-'V f ot apparatus'including a series of chambers,

ting atube bank 'arranged in 'tlie'second chamber and affording commui'iication between` the iiist and third chambers,vnieans for'aun'iit-l c ondensatetrom the condenser foi-theI iii-st 'cliamber, outlet means ,'foil thev last chamber, means for admit-ting media disvcharged from' Vthe ejector to the second chamber, separate outlet means tor condensible and non-condensible portions of* said media communicating with the secondfchamber, 'an overflow passage between tlielirst; and third chambers, a passage between the apparatus at the downstream side ot the tube ,bank and` the main condenser, va valve linthe' passageway, and means responsive to the tei'npei'ature oit waterin 'the third chamber 'tor conf trolling the operation of said valve, whereb when the water `tem )eratui'el-in tlie't-liii'd a chamber exceeds.V a ypredetermined amount,l

' the valve is opened and water is allowed to pass troni the apparatus to Vthe main' condenser. n

16. In a power plant', -the combination',

' with a'condenser andVV its steam-'actuated vair ejector, of feed tanlrapparatus for receiving vcondensate tronithe condenser and -ier con-V densing the condensible portion ot Vmedia discharged from the ejector including a A chamber containing condenser tubes `olylowed by a chamber containing filtering ma?A terial, means orpassing condensate from the condenser'through the tubes and theirV into the iilter chamber, overflow means at the dischangev side of tlie-ilter;'chaniber for dischargingcondensate into the maintanlr chamber, means for admitting discharged media'from the air ejector'to thechamben j containing Vthe condenser tubes, vent nief-ans communica-ting with the upper portionof theV last-named chamberV tothe atmosphere, and' outlet means communicating withtlie lower,

portion of the last-named cliaii-iber and opening into the main tanlr" chamber.

lpn a-powerfplant, the combination, l with a condenser and its steam-actuated airr l ejectci-,ot "feed `tank apparatus for receiving condensate from the condenser and for ccndensing the condeiisible portionof media dislh'argedifi-om tlieweje'ctor including a chamber containing condenser' tubes follow# ed by aVv chamber containing filtering ni'aterial, means for passing condensate from thecondenser Ythrough the tubes jand then at vthe discharge side ot/ the ilter clia'mi bei' torl discharging into" the main Vvtankl chamber, means tor admitting media 'discharged rom'tlie ejector' .laterally oitftlie chamber'Containing condenser tubesfvent meansV communicating with `theyupper porr fait .ion of" the last-named'V chamber for permitting' ofthey escape of noncondensible vapors f i Utl and `gases therefrom, outlet means ,commufnicatiiig `withj'tlie lower portion of the last named clifainberFto permit ofthe passage of ,the condenser portionojffsaidmedia intotlie VVmain tanlr chambenby-pass meansgarrang'ed between the `feed f apparatus1` andj the and means res'ponsive to' the attainment'iof a predetermined Vten'iperaturel Vby the condeIi sate at the downstream side of the said con-fA i Vdenser tubs. forfopeningy said valve. v

l18. Inra power plant, `the!combination,

with l'condenser `and l its lsteamfactuated air ejector, of feed. Vta-nlr apparatus'tor receiving condensate"from` the condenserl and for condensing the condensible portion of mediadischarged from the ejector including serially arranged Vchambers atfthe'top por-k Vfrom the condenser to the first chamber, lil'- tering material in the chamben following the third chamber, means affording communication between the third and'fo'uith chambers,

voverflow Ameans for permitting the discharge ot water trom tlie'iilter `chamber into the main tank chamber, ln'ieansi'or admitting tion of the itank, a tube bank Vfoi'aitt'ording communication between the vrfirst and third chambers, means ioradinitting condensate media ydischarged from the air ejector intol i the second chamber, a vent for air and non-` V 'lili i' condensible' gases communicatingwvith the top `:portionv oi thesecond chamber, an .out-y let 'at' tliebottoin portion of the second cnam# i bei-permitting f the condensed 'portion of.

said media passing into themaintanlr cham.-

' Jaa;

bei', Vand lmeans tor bypassing;condensateV from the Virstchamber around the second` termined amount. Y

llln a power plant, vthe combination,

with a condenser and its steamactuated air chamberfwhen the supplyeirceeds a prede-k A i e'eetor of feedtank anoaratus for receivithe V,the

s ying "1u condensate ronitlie condenser.` and for 'condensing the condensible portionof media discharged troni the ejector including serial- Stheltliird chamber, overfiowmeaiis for dei 20'. means communieating with the i bottom porj termining `the level oitpcondensate leaving Vthe. last chamber7 means for admitting mediaY discharged from the air egector to the secvond. chamber, vent means p communicating with the top portion ofthe second chamber or air 'and nonfcondeiisible gases7 voutlet tion ofthe second chamber for discharging Ythe condensed portion of ysaid media intothe tank chamber proper.J a condnitfcoinmw nicatiiigwithg'the condenser and with the Veedtankrao arat-us atvalve inthe conduit f v Y. Y 7 l Y and means i'esponsiveto the temperature' oii wateriiilt'lie third chamber ioifvopeniiig the 20. Ina power plant, the combinati 1a, withjat-condenserl and its steam-actuated rair e elector,` oi reed tank apparatus ijor :receivying condensatert'rom tliefconvden'servand; for

condensing the condensible Vportion of media Y, discharged from the ejector includingseri-l Y ally arranged chambers at the top, portionof the tank, a tube bank in the second cham- 'berk and altoi'ding coi'nmiinicatioii between the liist and third chambers, means for ad-Y mitting condensate vto the iii'stgchaniber,"filtering material in the chamber following the tliiidcliamber, overflow means for determining theY level of condensate leaving the last chan'iber7 bypass means between the iirst chamber and aehaniber following the tube bank, wheiebjy,7 eri/ess o't condensate entere ing the 'first chamber may bei by-passecb means i'oi" yznfli'nitting media.'discharged from the airejeetorto `the second chamber, vent Yineens vcommunicating with the topportion of the second chamber fora-ir and non-condensible gases, outlet nie-ans communicating `with the bottom portion of the second chamber ior discharging the condensed portion et s'id media into thetank 'chamber proper,l a conduit communicating with the condens-k er and with the feed ytank apparatus, a valve in the conduit, and means responsive to the temperature oi' watertin vthe third chamber 'for opening the valve.

ln testimony whereof signature this r'26th day of'May, '1.925. ROBERT VARRINERQ eoV 

